DE2102256A1 - Verfahren zur Herstellung von Kontakt linsen - Google Patents
Verfahren zur Herstellung von Kontakt linsenInfo
- Publication number
- DE2102256A1 DE2102256A1 DE19712102256 DE2102256A DE2102256A1 DE 2102256 A1 DE2102256 A1 DE 2102256A1 DE 19712102256 DE19712102256 DE 19712102256 DE 2102256 A DE2102256 A DE 2102256A DE 2102256 A1 DE2102256 A1 DE 2102256A1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- radius
- curvature
- zone
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 210000004087 cornea Anatomy 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RAPBNVDSDCTNRC-UHFFFAOYSA-N Chlorobenzilate Chemical compound C=1C=C(Cl)C=CC=1C(O)(C(=O)OCC)C1=CC=C(Cl)C=C1 RAPBNVDSDCTNRC-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- General Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Eye Examination Apparatus (AREA)
- Lens Barrels (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Prostheses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US394570A | 1970-01-19 | 1970-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2102256A1 true DE2102256A1 (de) | 1971-07-29 |
Family
ID=21708346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712102256 Pending DE2102256A1 (de) | 1970-01-19 | 1971-01-19 | Verfahren zur Herstellung von Kontakt linsen |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5651322B1 (enrdf_load_stackoverflow) |
| BE (1) | BE761770A (enrdf_load_stackoverflow) |
| DE (1) | DE2102256A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2075679A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1337042A (enrdf_load_stackoverflow) |
| NL (1) | NL7100565A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2416104A1 (fr) * | 1978-02-07 | 1979-08-31 | Essilor Int | Dispositif de moulage, en particulier pour lentille de contact souple |
| JP2934133B2 (ja) * | 1992-10-27 | 1999-08-16 | 株式会社メニコン | ソフトコンタクトレンズ |
-
1971
- 1971-01-15 NL NL7100565A patent/NL7100565A/xx unknown
- 1971-01-18 GB GB235771A patent/GB1337042A/en not_active Expired
- 1971-01-19 BE BE761770A patent/BE761770A/xx unknown
- 1971-01-19 JP JP135371A patent/JPS5651322B1/ja active Pending
- 1971-01-19 DE DE19712102256 patent/DE2102256A1/de active Pending
- 1971-01-19 FR FR7101585A patent/FR2075679A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7100565A (enrdf_load_stackoverflow) | 1971-07-21 |
| FR2075679A5 (enrdf_load_stackoverflow) | 1971-10-08 |
| JPS5651322B1 (enrdf_load_stackoverflow) | 1981-12-04 |
| BE761770A (fr) | 1971-07-01 |
| GB1337042A (en) | 1973-11-14 |
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